Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1983_19_9_a16, author = {A. R. Khalmukhamedov}, title = {The mean-value theorem for an elliptic equation}, journal = {Differencialʹnye uravneni\^a}, pages = {1601--1609}, publisher = {mathdoc}, volume = {19}, number = {9}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1983_19_9_a16/} }
A. R. Khalmukhamedov. The mean-value theorem for an elliptic equation. Differencialʹnye uravneniâ, Tome 19 (1983) no. 9, pp. 1601-1609. http://geodesic.mathdoc.fr/item/DE_1983_19_9_a16/